diff --git a/api/@ohos.inputmethod.d.ts b/api/@ohos.inputmethod.d.ts
new file mode 100644
index 0000000000000000000000000000000000000000..21a0439b5f4d0758007ca00c5c643fa09f4d72ea
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+++ b/api/@ohos.inputmethod.d.ts
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import {AsyncCallback} from './basic';
+
+/**
+ * inputmethod
+ *
+ * @since 8
+ * @syscap SystemCapability.MiscServices.InputMethod
+ */
+declare namespace inputMethod {
+    const MAX_TYPE_NUM: number
+
+    function getInputMethodSetting(): InputMethodSetting;
+
+    function getInputMethodController(): InputMethodController;
+
+    interface InputMethodSetting {
+        listInputMethod(callback: AsyncCallback<Array<InputMethodProperty>>): void;
+
+        listInputMethod(): Promise<Array<InputMethodProperty>>;
+
+        displayOptionalInputMethod(callback: AsyncCallback<void>): void;
+
+        displayOptionalInputMethod(): Promise<void>;
+    }
+
+    interface InputMethodController {
+        stopInput(callback: AsyncCallback<boolean>): void;
+
+        stopInput(): Promise<boolean>;
+    }
+
+    interface InputMethodProperty {
+        readonly packageName: string;
+        readonly methodId: string;
+    }
+}
+
+export default inputMethod;
diff --git a/api/@ohos.inputmethodengine.d.ts b/api/@ohos.inputmethodengine.d.ts
new file mode 100644
index 0000000000000000000000000000000000000000..39b3b83bae1009fb04d71f19440ee9293b4711ef
--- /dev/null
+++ b/api/@ohos.inputmethodengine.d.ts
@@ -0,0 +1,134 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import {AsyncCallback} from './basic';
+
+/**
+ * inputmethodengine
+ *
+ * @since 8
+ * @syscap SystemCapability.MiscServices.InputMethodEngine
+ */
+declare namespace inputMethodEngine {
+    const ENTER_KEY_TYPE_UNSPECIFIED: number;
+    const ENTER_KEY_TYPE_GO: number;
+    const ENTER_KEY_TYPE_SEARCH: number;
+    const ENTER_KEY_TYPE_SEND: number;
+    const ENTER_KEY_TYPE_NEXT: number;
+    const ENTER_KEY_TYPE_DONE: number;
+    const ENTER_KEY_TYPE_PREVIOUS: number;
+
+    const PATTERN_NULL: number;
+    const PATTERN_TEXT: number;
+    const PATTERN_NUMBER: number;
+    const PATTERN_PHONE: number;
+    const PATTERN_DATETIME: number;
+    const PATTERN_EMAIL: number;
+    const PATTERN_URI: number;
+    const PATTERN_PASSWORD: number;
+
+    const FLAG_SELECTING: number;
+    const FLAG_SINGLE_LINE: number;
+
+    const DISPLAY_MODE_PART: number;
+    const DISPLAY_MODE_FULL: number;
+
+    const OPTION_ASCII: number;
+    const OPTION_NONE: number;
+    const OPTION_AUTO_CAP_CHARACTERS: number;
+    const OPTION_AUTO_CAP_SENTENCES: number;
+    const OPTION_AUTO_WORDS: number;
+    const OPTION_MULTI_LINE: number;
+    const OPTION_NO_FULLSCREEN: number;
+
+    function getInputMethodEngine(): InputMethodEngine;
+
+    function createKeyboardDelegate(): KeyboardDelegate;
+
+    interface KeyboardController {
+        hideKeyboard(callbakc: AsyncCallback<void>): void;
+
+        hideKeyboard(): Promise<void>;
+    }
+
+    interface InputMethodEngine {
+        on(type: 'inputStart', callback: (kbController: KeyboardController, textInputClient: TextInputClient) => void): void;
+
+        off(type: 'inputStart', callback?: (kbController: KeyboardController, textInputClient: TextInputClient) => void): void;
+
+        on(type: 'keyboardShow', callback: () => void): void;
+
+        off(type: 'keyboardShow', callback: () => void): void;
+
+        on(type: 'keyboardHide', callback: () => void): void;
+
+        off(type: 'keyboardHide', callback: () => void): void;
+    }
+
+    interface TextInputClient {
+        sendKeyFunction(action: number, callback: AsyncCallback<boolean>): void;
+
+        sendKeyFunction(action: number): Promise<boolean>;
+
+        deleteForward(length: number, callback: AsyncCallback<boolean>): void;
+
+        deleteForward(length: number): Promise<boolean>;
+
+        deleteBackward(length: number, callback: AsyncCallback<boolean>): void;
+
+        deleteBackward(length: number): Promise<boolean>;
+
+        InsertText(text: string, callback: AsyncCallback<boolean>): void;
+
+        InsertText(text: string): Promise<boolean>;
+
+        getForward(length: number, callback: AsyncCallback<string>): void;
+
+        getForward(length: number): Promise<string>;
+
+        getEditorAttribute(lcallback: AsyncCallback<EditorAttribute>): void;
+
+        getEditorAttribute(): Promise<EditorAttribute>;
+    }
+
+    interface KeyboardDelegate {
+        on(type: 'keyDown', callback: (event: KeyEvent) => boolean): void;
+
+        off(type: 'keyDown', callback?: (event: KeyEvent) => boolean): void;
+
+        on(type: 'keyUp', callback: (event: KeyEvent) => boolean): void;
+
+        off(type: 'keyUp', callback?: (event: KeyEvent) => boolean): void;
+
+        on(type: 'cursorContextChange', callback: (x: number, y: number, height: number) => void): void;
+
+        off(type: 'cursorContextChange', callback?: (x: number, y: number, height: number) => void): void;
+
+        on(type: 'selectionChange', callback: (oldBegine: number, oldEnd: number, newBegine: number, newEnd: number) => void): void;
+
+        off(type: 'selectionChange', callback?: (oldBegine: number, oldEnd: number, newBegine: number, newEnd: number) => void): void;
+
+        on(type: 'textChange', callback: (text: string) => void): void;
+
+        off(type: 'textChange', callback?: (text: string) => void): void;
+    }
+
+    interface EditorAttribute {
+        readonly inputPattern: number;
+        readonly enterKeyType: number;
+    }
+}
+
+export default inputMethodEngine;